#include<stdio.h>
int main()
{
    int a,b,num1,num2,temp;
    printf("Input a&b:");
    scanf("%d%d,&num1,&num2");
    if(num1>num2)
    {
        temp=num1; num1=num2; num2=temp;
    }
    a=num1;b=num2;
    while(b!=0)
    {
        temp=a%b;
        a=b;
        b=temp;
    }
    printf("The GCD of %d and %d is:%d\n",num1,num2,a);
    printf("The LCM of them is:%d\n",num1*num2/a);
}